Home / 4,785,015.78-7,174,632.69-1,906,825.38

Finding the Fourth Proportional to 4,785,015.78, 7,174,632.69 and 1,906,825.38

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Solution

The fourth proportional to 4,785,015.78, 7,174,632.69 and 1,906,825.38 is: 2,859,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,015.78 : 7,174,632.69 = 1,906,825.38 : x
  2. Step 2: Convert to fraction form
    4,785,015.78/7,174,632.69 = 1,906,825.38/x
  3. Step 3: Cross multiply
    4,785,015.78x = 7,174,632.69 × 1,906,825.38
  4. Step 4: Simplify right side
    4,785,015.78x = 13,680,771,705,469.67
  5. Step 5: Solve for x
    x = 13,680,771,705,469.67/4,785,015.78
  6. Step 6: Final answer
    x = 2,859,086.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.